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* readelf.c (print_mips_got_entry): New function.
	(process_mips_specific): Print GOT information.

ld/testsuite/
	* ld-mips-elf/got-dump-1.d, ld-mips-elf/got-dump-1.s,
	ld-mips-elf/got-dump-1.ld, ld-mips-elf/got-dump-2.d,
	ld-mips-elf/got-dump-2.s, ld-mips-elf/got-dump-2.ld: New tests.
	* ld-mips-elf/mips-elf.exp: Run them.
This commit is contained in:
Richard Sandiford 2008-03-20 10:53:11 +00:00
parent 51e38d6878
commit ccb4c9519b
10 changed files with 270 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

123
binutils/readelf.c
View file

@ -9125,6 +9125,33 @@ process_power_specific (FILE *file)
display_power_gnu_attribute);
}
/* DATA points to the contents of a MIPS GOT that starts at VMA PLTGOT.
Print the Address, Access and Initial fields of an entry at VMA ADDR
and return the VMA of the next entry. */
static bfd_vma
print_mips_got_entry (unsigned char *data, bfd_vma pltgot, bfd_vma addr)
{
printf (" ");
print_vma (addr, LONG_HEX);
printf (" ");
if (addr < pltgot + 0xfff0)
printf ("%6d(gp)", (int) (addr - pltgot - 0x7ff0));
else
printf ("%10s", "");
printf (" ");
if (data == NULL)
printf ("%*s", is_32bit_elf ? 8 : 16, "<unknown>");
else
{
bfd_vma entry;
entry = byte_get (data + addr - pltgot, is_32bit_elf ? 4 : 8);
print_vma (entry, LONG_HEX);
}
return addr + (is_32bit_elf ? 4 : 8);
}
static int
process_mips_specific (FILE *file)
{
@ -9134,6 +9161,10 @@ process_mips_specific (FILE *file)
size_t conflictsno = 0;
size_t options_offset = 0;
size_t conflicts_offset = 0;
bfd_vma pltgot = 0;
bfd_vma local_gotno = 0;
bfd_vma gotsym = 0;
bfd_vma symtabno = 0;
process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL,
display_mips_gnu_attribute);
@ -9165,6 +9196,17 @@ process_mips_specific (FILE *file)
case DT_MIPS_CONFLICTNO:
conflictsno = entry->d_un.d_val;
break;
case DT_PLTGOT:
pltgot = entry->d_un.d_val;
case DT_MIPS_LOCAL_GOTNO:
local_gotno = entry->d_un.d_val;
break;
case DT_MIPS_GOTSYM:
gotsym = entry->d_un.d_val;
break;
case DT_MIPS_SYMTABNO:
symtabno = entry->d_un.d_val;
break;
default:
break;
}
@ -9515,6 +9557,87 @@ process_mips_specific (FILE *file)
free (iconf);
}
if (pltgot != 0 && local_gotno != 0)
{
bfd_vma entry, local_end, global_end;
size_t addr_size, i, offset;
unsigned char *data;
entry = pltgot;
addr_size = (is_32bit_elf ? 4 : 8);
local_end = pltgot + local_gotno * addr_size;
global_end = local_end + (symtabno - gotsym) * addr_size;
offset = offset_from_vma (file, pltgot, global_end - pltgot);
data = get_data (NULL, file, offset, global_end - pltgot, 1, _("GOT"));
printf (_("\nPrimary GOT:\n"));
printf (_(" Canonical gp value: "));
print_vma (pltgot + 0x7ff0, LONG_HEX);
printf ("\n\n");
printf (_(" Reserved entries:\n"));
printf (_(" %*s %10s %*s Purpose\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial");
entry = print_mips_got_entry (data, pltgot, entry);
printf (" Lazy resolver\n");
if (data
&& (byte_get (data + entry - pltgot, addr_size)
>> (addr_size * 8 - 1)) != 0)
{
entry = print_mips_got_entry (data, pltgot, entry);
printf (" Module pointer (GNU extension)\n");
}
printf ("\n");
if (entry < local_end)
{
printf (_(" Local entries:\n"));
printf (_(" %*s %10s %*s\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial");
while (entry < local_end)
{
entry = print_mips_got_entry (data, pltgot, entry);
printf ("\n");
}
printf ("\n");
}
if (gotsym < symtabno)
{
int sym_width;
printf (_(" Global entries:\n"));
printf (_(" %*s %10s %*s %*s %-7s %3s %s\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial",
addr_size * 2, "Sym.Val.", "Type", "Ndx", "Name");
sym_width = (is_32bit_elf ? 80 : 160) - 28 - addr_size * 6 - 1;
for (i = gotsym; i < symtabno; i++)
{
Elf_Internal_Sym *psym;
psym = dynamic_symbols + i;
entry = print_mips_got_entry (data, pltgot, entry);
printf (" ");
print_vma (psym->st_value, LONG_HEX);
printf (" %-7s %3s ",
get_symbol_type (ELF_ST_TYPE (psym->st_info)),
get_symbol_index_type (psym->st_shndx));
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (sym_width, GET_DYNAMIC_NAME (psym->st_name));
else
printf ("<corrupt: %14ld>", psym->st_name);
printf ("\n");
}
printf ("\n");
}
if (data)
free (data);
}
return 1;
}